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Preparation method of high-light-transmittance thermal-insulation impact-resistant composite material

A composite material, high light transmittance technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of cumbersome and difficult wrapping, increased material thickness and density, and insufficient sealing, and achieves efficient radiation diffusion isolation. The effect of thermal insulation, improving light transmission, preventing convection

Active Publication Date: 2020-06-16
YANTAI HENGNUO CHEM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has disadvantages such as cumbersome and difficult hemming such as material edge gaps, insufficient sealing, and obvious increase in material thickness and density.

Method used

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  • Preparation method of high-light-transmittance thermal-insulation impact-resistant composite material
  • Preparation method of high-light-transmittance thermal-insulation impact-resistant composite material
  • Preparation method of high-light-transmittance thermal-insulation impact-resistant composite material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A method for preparing a heat-insulating and impact-resistant composite material with high light transmittance, comprising the following steps:

[0035] S1. Functional nano-hollow thermal insulation inorganic material selection: select silica airgel as the hollow thermal insulation inorganic material.

[0036] S2. To repair and aminate the surface of nano thermal insulation functional materials, the specific steps are as follows:

[0037] 1. Add 50g of silica airgel into a 10L airtight fluidized fluidized furnace, and slowly raise the temperature of the fluidized fluidized furnace to 60°C.

[0038] 2. Pump 250g of high-purity liquid ammonia into the fluidized furnace through a high-pressure tetrafluoroethylene-lined air pump. The liquid ammonia enters the fluidized furnace and immediately gasifies. Start the fluidized furnace airflow crushing device to slowly raise the temperature of the fluidized furnace to 120 ° C. The heating rate is controlled at 3°C / min,

[0039]...

Embodiment 2

[0063] A method for preparing a heat-insulating and impact-resistant composite material with high light transmittance, comprising the following steps:

[0064] S1. Functional nano-hollow thermal insulation inorganic material selection: select nano-graphite airgel as the hollow thermal insulation inorganic material.

[0065] S2. To repair and aminate the surface of nano thermal insulation functional materials, the specific steps are as follows:

[0066] 1. Add 50g of nano-graphite airgel into a 10L airtight fluidized fluidized furnace, and slowly raise the temperature of the fluidized fluidized furnace to 55°C.

[0067] 2. Pump 250g of high-purity liquid ammonia into the fluidized furnace through a high-pressure tetrafluoroethylene-lined air pump. The liquid ammonia enters the fluidized furnace and immediately gasifies. Start the fluidized furnace airflow crushing device to slowly raise the temperature of the fluidized furnace to 110 ° C. The heating rate is controlled at 1°C / ...

Embodiment 3

[0092] A method for preparing a heat-insulating and impact-resistant composite material with high light transmittance, comprising the following steps:

[0093] S1. Functional nano-hollow thermal insulation inorganic material selection: Hollow glass microspheres are selected as the hollow thermal insulation inorganic material.

[0094] S2. To repair and aminate the surface of nano thermal insulation functional materials, the specific steps are as follows:

[0095] 1. Add 50g of hollow glass microspheres into a 10L airtight fluidized fluidized furnace, and slowly raise the temperature of the fluidized fluidized furnace to 60°C.

[0096] 2. Pump 250g of high-purity liquid ammonia into the fluidized furnace through a high-pressure tetrafluoroethylene-lined air pump. The liquid ammonia enters the fluidized furnace and immediately gasifies. Start the fluidized furnace airflow crushing device to slowly raise the temperature of the fluidized furnace to 130 ° C. The heating rate is con...

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Abstract

The invention discloses a preparation method of a high-light-transmittance thermal-insulation impact-resistant composite material, which comprises the following steps: carrying out surface modification on a hollow inorganic material, carrying out a condensation reaction, carrying out a reversed-phase suspension polymerization reaction, carrying out compounding compatibility, synthesizing an isocyanate-containing prepolymer, carrying out spray molding and the like, and uniformly compounding the hollow inorganic material with a high-molecular polymer. The high-light-transmittance thermal-insulation impact-resistant composite material disclosed by the invention belongs to an aerogel RTFE polymer-based thermal-insulation heat-preservation high-light-transmittance composite material; the composite material is a novel high-light-transmission, heat-insulation, high-strength and high-toughness composite material formed by carrying out surface modification on the inorganic nano heat-preservation and heat-insulation material and then carrying out in-situ polymerization on the inorganic nano heat-preservation and heat-insulation material and an amino / isocyanate group-containing compound. Thematerial has the properties of high filling, low density, low thermal conductivity and high light transmittance of nano materials such as nano aerogel and hollow glass beads, and can prevent convection, conduction and radiation diffusion of heat so as to achieve efficient thermal insulation and heat preservation properties.

Description

technical field [0001] The invention relates to composite materials, in particular to a preparation method of a heat-insulating and impact-resistant composite material with high light transmittance. Background technique [0002] With the rapid development of the construction industry, petrochemical industry, industrial insulation and energy-saving and emission-reduction environmental protection industries, in order to reduce the temperature of the object surface, slow down the heat conduction, save energy consumption, improve the working environment, and improve the safety of production, people's comprehensive thermal insulation coating Performance requirements are getting higher and higher. The nano heat insulation material is painted on the surface of the object, which can reduce the energy consumption of refrigeration or heating equipment and increase the safety of product use by preventing the transfer of external heat to the interior of the object or the loss of interna...

Claims

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Application Information

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IPC IPC(8): C09D175/02C09D151/10C08G18/79C08G18/76C08G18/75C08G18/48C08G18/66C08G18/64C08G18/50C08G18/40C08G18/32C08F292/00C08F220/06C08F2/18
CPCC08F2/18C08F292/00C08G18/3228C08G18/3237C08G18/4081C08G18/48C08G18/4854C08G18/5024C08G18/6415C08G18/6685C08G18/755C08G18/7614C08G18/7671C08G18/792C08G2150/50C08K2201/011C08L2205/06C09D151/10C09D175/02C08F220/06C08L51/10
Inventor 任朋成
Owner YANTAI HENGNUO CHEM TECH CO LTD
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